CORCORAN - In San Diego, formerly of Hyannisport and South Boston, February 16, Agnes E. ?Sis? (O'Brien), beloved wife of the late Joseph R. Corcoran. Dear mother of Jane M. Powell of San Diego, Susan Howard of East Sandwich and J. Richard Corcoran of Duxbury. Also survived by 7 grandchildren and 1 great- grandchild. Sister of Margaret Johnston of WA, Ann DeSantis of Quincy, Francis OBrien of Pocasset and the late Mary Kennedy, Helen Dooley and Rita Ryan. Also survived by several nieces and nephews. Funeral from the MacDonald Funeral Home, 1755 Ocean St., (Rte. 3 South, Exit 12, east on 139 for 4 miles), Marshfield, Monday at 9 a.m., followed by a Funeral Mass in St. Ann's by the Sea Church at 10 a.m. Visiting hours Sunday, 4-7 p.m. Interment New Calvary Cemetery, Boston.